Remove U/modified/d_memchr.U in preference for the upstream version

The only differences are in comments, and both look correct to me.

There are more recent modifications in upstream git, but those need to
be tackled separately.

diff --git a/U/modified/d_memchr.U b/U/modified/d_memchr.U
deleted file mode 100644 (file)
index bf5187d..0000000
--- a/U/modified/d_memchr.U
+++ /dev/null
@@ -1,27 +0,0 @@
-?RCS:
-?RCS: Copyright (c) 1999, Jarkko Hietaniemi
-?RCS:
-?RCS: You may redistribute only under the terms of the Artistic License,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic License; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?MAKE:d_memchr: Inlibc
-?MAKE: -pick add $@ %<
-?S:d_memchr:
-?S:    This variable conditionally defines the HAS_MEMCHR symbol, which
-?S:    indicates to the C program that the memchr() routine is available
-?S:    to locate characters within a C string.
-?S:.
-?C:HAS_MEMCHR:
-?C:    This symbol, if defined, indicates that the memchr routine is available
-?C:    to locate characters within a C string.
-?C:.
-?H:#$d_memchr HAS_MEMCHR       /**/
-?H:.
-?LINT:set d_memchr
-: see if memchr exists
-set memchr d_memchr
-eval $inlibc
-